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jairo330 Group Title

average rate of change (function)

  • 2 years ago
  • 2 years ago

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  1. jairo330 Group Title
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    • 2 years ago
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  2. jairo330 Group Title
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    help please

    • 2 years ago
  3. nphuongsun93 Group Title
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    \[\frac{f(x)-f(1)}{x -1}\]

    • 2 years ago
  4. jairo330 Group Title
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    then what?

    • 2 years ago
  5. nphuongsun93 Group Title
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    then you will get your answer ~ you know what's f(x) and f(1)?

    • 2 years ago
  6. jairo330 Group Title
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    no

    • 2 years ago
  7. nphuongsun93 Group Title
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    f(x) = 3/(x+4) just as the question gives to find f(1), substitute x = 1 into f(x)

    • 2 years ago
  8. jairo330 Group Title
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    ok

    • 2 years ago
  9. nphuongsun93 Group Title
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    i will give you the answer in case ._., cos i gotta go \[f(x) = \frac{3}{x+4}\]\[f(1) = \frac{3}5\]\[\huge \frac{\frac{3}{x+4}-\frac{3}{5}}{x-1}\]then solve algebraically you will get\[\frac{-3}{5x+20}\]

    • 2 years ago
  10. jairo330 Group Title
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    thank you

    • 2 years ago
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